EP3887012A2 - Liquid-liquid mass transfer process and apparatus - Google Patents
Liquid-liquid mass transfer process and apparatusInfo
- Publication number
- EP3887012A2 EP3887012A2 EP19783825.3A EP19783825A EP3887012A2 EP 3887012 A2 EP3887012 A2 EP 3887012A2 EP 19783825 A EP19783825 A EP 19783825A EP 3887012 A2 EP3887012 A2 EP 3887012A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- inlet
- fiber bundle
- distributor
- reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 240
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- 238000004804 winding Methods 0.000 claims description 3
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- 150000002430 hydrocarbons Chemical class 0.000 description 18
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- 238000006243 chemical reaction Methods 0.000 description 11
- 150000001412 amines Chemical class 0.000 description 10
- 230000006698 induction Effects 0.000 description 10
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- 230000008878 coupling Effects 0.000 description 6
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- 238000005859 coupling reaction Methods 0.000 description 6
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- 239000012535 impurity Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
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- 238000010977 unit operation Methods 0.000 description 2
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- GIAFURWZWWWBQT-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol Chemical compound NCCOCCO GIAFURWZWWWBQT-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 229940043276 diisopropanolamine Drugs 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0449—Juxtaposition of mixers-settlers with stationary contacting elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0453—Juxtaposition of mixers-settlers with narrow passages limited by plates, walls, e.g. helically coiled tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/12—Interdigital mixers, i.e. the substances to be mixed are divided in sub-streams which are rearranged in an interdigital or interspersed manner
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/27—Mixing by jetting components into a conduit for agitating its contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
- B01F25/31331—Perforated, multi-opening, with a plurality of holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
- B01F25/31332—Ring, torus, toroidal or coiled configurations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7542—Discharging the components by overflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2475—Membrane reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
- C10G19/02—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/10—Specific supply elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/90—Additional auxiliary systems integrated with the module or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00891—Feeding or evacuation
Definitions
- a particular unit operation may be a liquid-liquid contacting operation whereby two liquids are brought into intimate contact to effectuate mass transfer between the liquids, a reaction between components in the liquids, or both.
- Liquid-liquid contacting may be beneficial in some types of chemical reactions where one reactant is miscible in a first liquid but immiscible in a second liquid.
- An example of such a reaction may be where a first reactant is present in a polar solvent such as water and a second reactant is present in a non-polar solvent such as a hydrocarbon and the water and hydrocarbon are immiscible.
- Liquid-liquid contacting may have other applications such as liquid-liquid extraction whereby a species present in a first liquid is extracted into a second liquid by mass transfer across the liquid-liquid interface.
- a particular challenge of liquid-liquid contacting may be ensuring adequate contact area between the two liquids such that the mass transfer or reactions may occur in an appreciable amount and in an economically viable manner.
- liquid-liquid contacting operations may be performed with immiscible liquids, such as, for example, an aqueous liquid and an organic liquid. Using two immiscible liquids may allow the liquids to be readily separated after the liquid- liquid contacting is completed.
- phase separation may occur before adequate contact between the liquids is achieved.
- a fiber-bundle type liquid-liquid contactor may generally comprise one or more fiber bundles suspended within a shell and two or more inlets where the two liquids may be introduced into the shell.
- the fiber bundle may promote contact between the two liquids by allowing a first liquid to flow along individual fibers of the fiber bundles and a second liquid to flow between the individual fibers thereby increasing the effective contact area between the liquids.
- the two liquids may flow from an inlet section of the shell to an outlet section of the shell while maintaining intimate contact such that a reaction, mass transfer, or both may be maintained between the two liquids.
- the degree to which the two liquids are mixed or in contact before they reach the fiber bundle may determine the effectiveness of liquid-liquid contact operation, the length of fiber required, pressure drop, material cost, and other factors apparent to those of ordinary skill in the art.
- phase separation may begin to occur such that the relatively heavier, or denser, liquid may begin to migrate to the center of the fiber-bundle while the relatively lighter, or less dense, liquid may begin to migrate to the outside of the fiber-bundle.
- phase separation may be a consequence of inadequate distribution of the two liquids before entering the fiber-bundle.
- a fiber bundle liquid-liquid contactor may comprise a vessel comprising: a first inlet; a second inlet; mixing zone arranged in the vessel to receive a first liquid from the first inlet and a second liquid from the second inlet, wherein the mixing zone comprises an inductor fluidically coupled to the inlet for the second liquid; and an extraction zone comprising a fiber bundle arranged in the vessel to receive the first liquid and the second liquid from the mixing zone.
- a fiber bundle liquid-liquid film contactor may comprise: a vessel comprising: a first inlet; a second inlet; a mixing zone arranged in the vessel to receive a first liquid from the first inlet and a second liquid from the second inlet, wherein the mixing zone comprises a spiral distributor fluidically coupled to the inlet for the second liquid; and an extraction zone comprising a fiber bundle arranged in the vessel to receive the first liquid and the second liquid from the mixing zone.
- a fiber bundle liquid-liquid film contactor may comprise: a vessel comprising: a first inlet; a second inlet; a mixing zone arranged in the vessel to receive a first liquid from the first inlet and a second liquid from the second inlet, wherein the mixing zone comprises a perforated plate assembly comprising a plate, a plurality of openings in the plate, and a plurality of chimneys that extend from the plate and arranged to allow fluid flow through additional openings in the plate; and an extraction zone comprising a fiber bundle arranged in the vessel to receive the first liquid and the second liquid from the mixing zone BRIEF DESCRIPTION OF THE DRAWINGS
- FIG. l is a schematic diagram of a liquid-liquid mass transfer device.
- FIG. 2 is a schematic diagram of an inductor.
- FIG. 3 is a schematic diagram of a liquid-liquid mass transfer device comprising an inductor.
- FIG. 4 is a cross-sectional view of a liquid-liquid mass transfer device with a spiral distributor disposed within mixing zone.
- FIG. 5 is a cross-sectional view of a liquid-liquid mass transfer device with an arm distributor disposed within mixing zone.
- FIG. 6a is a schematic diagram of a liquid-liquid mass transfer device comprising a perforated plate assembly disposed in a mixing zone.
- FIG. 6b is a top view of a perforated plate assembly.
- FIG. 6c is a side view of a perforated plate assembly.
- FIG. 7 is a schematic diagram of a liquid-liquid mass transfer device comprising a perforated plate assembly disposed in a mixing zone with a distributor.
- FIG. 8 is a schematic diagram of a liquid-liquid mass transfer device comprising a perforated plate assembly disposed in a mixing zone with a distributor.
- the present disclosure may relate to liquid-liquid mass transfer devices, and in some embodiments, to liquid-liquid mass transfer devices comprising configurations of inlet features that may reduce entrance effects and promote distribution of liquids.
- the liquid-liquid mass transfer devices may comprise a fiber-bundle type liquid- liquid mass transfer device.
- a fiber-bundle type liquid-liquid mass transfer device may provide non-dispersive phase contact between liquids which may have certain advantages over dispersive mixing mass transfer devices.
- FIG. 1 illustrates, in schematic form, an embodiment of a fiber-bundle type liquid- liquid mass transfer device 100.
- Fiber-bundle type liquid-liquid mass transfer device 100 may comprise vessel 106 which may contain and/or otherwise support equipment and features required for liquid-liquid contacting.
- vessel 106 may comprise two halves 107a, 107b joined by flange 1 14 which may provide a mounting point to secure the two halves 107a, 107b of vessel 106 together.
- vessel 106 may comprise a single continuous vessel (not shown) without flange 114 or may comprise a plurality of pieces (not shown) joined by flanges or otherwise secured together.
- fiber-bundle type liquid-liquid mass transfer device 100 is oriented in a vertical direction.
- Vessel 106 may comprise various inlets configure to allow liquids to enter into vessel 106.
- Vessel 106 may comprise a first inlet 110 and a second inlet 112, for example. Although only two inlets are illustrated, one of ordinary skill in the art would understand that any number of inlets may be used for a particular application.
- Vessel 106 may further comprise contact zone 102 and extraction zone 104.
- Contact zone 102 may comprise various features which will be described in detail below which may promote mixing and distribution of liquids before the liquids enter extraction zone 104.
- Extraction zone 104 may comprise various features which may promote liquid-liquid contact to effectuate mass transfer, chemical reactions, or both.
- extraction zone 104 may comprise one or more fiber bundles 108. Although only one fiber bundle 108 is illustrated, one of ordinary skill in the art will appreciate that any number of fiber bundles may be present. Additionally, without limitation, the fiber bundles may be arranged in series, parallel, series and parallel, or any other configuration. Fiber bundle 108 may comprise elongated fibers that extend from or below contact zone 102 through extraction zone 104. Fiber bundle 108 may promote contact between the liquids introduced into vessel 106 by allowing a first liquid to flow along individual fibers of fiber bundle 108 and a second liquid to flow between the individual fibers. In some embodiments, the fibers of fiber bundle 108 may be metallic or non-metallic.
- any suitable fibers may be used for fiber bundle 108, including, but not limited to glass, fiberglass, rayon, nylon, polyesters, polyolefins, polytetrafluoroethylene, steel, aluminum, tungsten, nickel, and combinations thereof.
- the fiber bundle may comprise metal fibers.
- Each of the embodiments described herein may generally operate by the same physical phenomena.
- Two immiscible liquids may be individually introduced into vessel 106 through first inlet 110 and second inlet 112 and flow through contact zone 102 into extraction zone 104.
- a first liquid introduced through first inlet 110 may be relatively light, or less dense, than a second liquid introduced through second inlet 112.
- the features present in contact zone 102 may promote mixing of the two immiscible liquids before the liquids flow into extraction zone 104.
- mixing of the two liquids may increase the effective surface area of extraction zone 104 which in turn may reduce the required length of extraction zone 104, decrease pressure drop across liquid-liquid mass transfer device 100, reduce material costs, reduce operations costs, and other benefits readily apparent to those of ordinary skill in the art.
- Fiber-bundle type liquid-liquid mass transfer device 100 may be used to effectuate mass transfer between any fluids that require mass transfer.
- fiber-bundle type liquid-liquid mass transfer device 100 may be used in caustic treatment, amine treatment, or acid treatment processes for example. Although only a few select processes and fluids will be described herein, it will be readily apparent to those of ordinary skill in the art that there may be other potential applications for fiber-bundle type liquid-liquid mass transfer device 100 that are not described.
- One of ordinary skill in the art, with the benefit of this disclosure should be able to adapt fiber-bundle type liquid-liquid mass transfer device 100 to any number of applications not explicitly enumerated herein.
- fiber-bundle type liquid-liquid mass transfer device 100 may be used in a caustic treatment application whereby a hydrocarbon feed and a caustic feed are introduced into fiber-bundle type liquid-liquid mass transfer device 100.
- the hydrocarbon feed and the caustic feed may be contacted such that impurities in the hydrocarbon feed react with the caustic feed to reduce the amount of impurities in the hydrocarbon feed.
- Some common impurities that may be removed may include carbon dioxide, organic acids such as carboxylic acids, mercaptans, also known as thiols, as well as hydrogen sulfide, carbonyl sulfide, and other common sulfur impurities found in hydrocarbon streams.
- the caustic feed may comprise water and a caustic agent such as sodium hydroxide, potassium hydroxide, or other compounds that release a hydroxide ion when added to water.
- the caustic treatment process may be appropriate for treatment of any hydrocarbon feed including, but not limited to, hydrocarbons such as alkanes, alkenes, alkynes, and aromatics, for example.
- the hydrocarbons may comprise hydrocarbons of any chain length, for example, from about C3 to about C30, or greater, and may comprise any amount of branching.
- Some exemplary hydrocarbon feeds may include, but are not limited to, crude oil, propane, LPG, butane, light naphtha, isomerate, heavy naphtha, reformate, jet fuel, kerosene, diesel oil, hydro treated distillate, heavy vacuum gas oil, light vacuum gas oil, gas oil, coker gas oil, alkylates, fuel oils, light cycle oils, and combinations thereof.
- fiber-bundle type liquid-liquid mass transfer device 100 may be in an amine treatment application whereby a hydrocarbon feed and an amine feed are introduced into fiber-bundle type liquid-liquid mass transfer device 100.
- the hydrocarbon feed and the amine feed may be contacted such that impurities in the hydrocarbon feed react with the amine feed to reduce the amount of impurities in the hydrocarbon feed.
- Amine treatment may be used to remove contaminants that react with an amine such as hydrogen sulfide and carbon dioxide, for example.
- the hydrocarbon feed may be any hydrocarbon feed as described above.
- the amine feed may comprise water, for example, and an amine such as diethanolamine, monoethanolamine, methyldiethanolamine, diisopropanolamine, aminoethoxyethanol, and diglycolamine.
- FIG. 2 illustrates an embodiment of an inductor 200 which may be disposed in contact zone 102.
- Inductor 200 may comprise coupling 202 which may be fluidically coupled to inlet 112 (e.g., illustrated on FIG. 1).
- Coupling 202 may be any type of coupling including, but not limited to, screw threads, push fittings, flanged fittings, or any other coupling type to attach inductor 200 to inlet 112.
- Inductor 200 may comprise a first reducer 204 comprising reducer body 206 and reducer cone 205.
- First reducer 204 may be attached to coupling 202 by reducer body 206.
- a flow path 210 may be defined within coupling 202 and reducer body 206 to allow a fluid to flow from inlet 112, through flow path 210, and into reducer cone 205.
- Reducer cone 205 may increase the velocity of a fluid from flow path 210 and expel the fluid into induction zone 208, thereby causing a decrease in pressure in induction zone 208.
- reducer cone 205 may have a reduced cross-section for fluid flow as fluid traverse through reducer cone 205 from reducer body 206 to induction zone 208. Fluid in induction zone 208 may thereafter flow into second reducer cone 212.
- Second reducer cone 212 may be attached, for example, to reducer body 206 by attachment point 214.
- FIG. 3 illustrates, in schematic form, an embodiment of a fiber-bundle type liquid- liquid mass transfer device 100 with inductor 200 disposed in contact zone 102.
- a first liquid and a second liquid may be introduced into vessel 106 through first inlet 110 and second inlet 112, respectively.
- inductor 200 may be coupled to second inlet 112.
- the first liquid introduced through inlet 110 may comprise, for example, the relatively lighter, or less dense fluid.
- the second fluid introduced through inlet 112 may comprise the relatively heavier or denser fluid.
- the first fluid present in vessel 106 may be drawn into a low pressure area (e.g., induction zone 208) created by inductor 200 and thereby mix and expel the first and second fluid together into extraction zone 104 through second reducer cone 214.
- the mixed first and second fluids may contact fiber bundle 108 which may promote contact between the two fluids as previously described.
- FIG. 4 is a cross-sectional view of an embodiment of a vessel 106 with spiral distributor 400 disposed within mixing zone 102.
- spiral distributor 400 may comprise a hollow tube 401 winding in a continuous and gradually tightening curve around a central point.
- Spiral distributor 400 may comprise a plurality of spaced apart holes 402 in hollow tube 401 to allow fluid in the hollow interior of spiral distributor 400 to flow into mixing zone 102.
- a flow path 408 defined by the hollow interior of hollow tube 401 may fluidically link inlet 112 to holes 402. Liquid from inlet 112 may flow through flow path 408 to each of the plurality of holes 402 until the liquid reaches end cap 404.
- End cap 404 may seal off the end of spiral distributor 400 such that the fluid in flow path 408 can only exit spiral distributor 400 through holes 402.
- fluid traversing through flow path 408 may exit spiral distributor 400 through holes 402 into mixing zone 102.
- a plurality of inductors 200 e.g., illustrated in FIG. 2 may be individually attached or coupled to holes 402.
- fluid traversing flow path 408 may flow out of holes 402 and through inductor 200.
- Inductor 200 may be attached, or otherwise coupled, to holes 402 by any means, including, for example, screw threading, push fitting, or flanged.
- an inductor 200 may be present in all of holes 402 or, alternatively, in only some of holes 402.
- spiral distributor 400 may be disposed within mixing zone 102 of vessel 106 and be fluidically coupled to inlet 112.
- a first liquid and a second liquid may be introduced into vessel 106 through first inlet 110 and second inlet 112 respectively.
- the first liquid introduced through inlet 110 may comprise, for example, the relatively lighter, or less dense fluid.
- the second fluid introduced through inlet 112 may comprise the relatively heavier or denser fluid. As the second fluid flows through spiral distributor 400, the second fluid may be expelled and dispersed into mixing zone 102.
- the first fluid present in vessel 106 may mix with the dispersed second fluid in mixing zone 102 and the mixed first and second liquids may flow into extraction zone 104.
- the mixed first and second liquids may contact fiber bundle 108 which may promote contact between the mixed first and second liquids such that mass transfer, chemical reactions, or both may occur.
- spiral distributor 400 may comprise inductors 200 disposed in at least some of holes 402 of spiral distributor 400 as previously described.
- the second fluid may flow through spiral distributor 400 and be expelled through inductors 200 disposed in at least some of the holes 402 of spiral distributor 400.
- the first liquid fluid present in vessel 106, introduced through inlet 110, may be drawn into a low pressure area (e.g., induction zone 208) created by inductor 200 thereby mixing the first and second liquids and expelling the mixed fluids into extraction zone 104 by way of second induction cone 212.
- the mixed first and second liquids may contact fiber bundle 108 which may promote contact between the mixed first and second liquids such that mass transfer, chemical reactions, or both may occur.
- FIG. 5 is a cross-sectional view of an embodiment of vessel 106 with arm distributor 500 disposed within mixing zone 102.
- Arm distributor 500 may comprise a plurality of distributor arms 502 extending axially from a central tube 504. Arm distributor 500 may comprise any number of distributor arms 502, depending, for example, on required flow rate of fluid, among other factors.
- Each distributor arm 502 may comprise a plurality of holes 506 to allow fluid in the hollow interior of arm distributor 500 to flow into mixing zone 102.
- a flow path 508 defined by the follow interior of arm distributor 500 may fluidically link inlet 112 to holes 506.
- liquid introduced through inlet 112 may flow through flow path 508 into each distributor arm 502 and through each of the plurality of holes 506 until the liquid reached end cap 510. End cap 510 may seal off the ends of each distributor arm 502 such that fluid in flow path 508 can only exit through holes 506.
- each of the plurality of holes 506 may have an inductor 200 (e.g., illustrated in FIG. 2) attached or coupled to holes 506.
- inductor 200 may be attached, or otherwise coupled, to holes 506 by any means, including, for example, screw threading, push fitting, flanged.
- an inductor 200 may be present in all of holes 508 or, alternatively, in only some of holes 402.
- arm distributor 500 may be disposed within mixing zone 102 of vessel 106 and be fluidically coupled to inlet 112.
- a first liquid and a second liquid may be introduced into vessel 106 through first inlet 110 and second inlet 112 respectively.
- the first liquid introduced through inlet 110 may comprise, for example, the relatively lighter, or less dense fluid.
- the second fluid introduced through inlet 112 may comprise the relatively heavier or denser fluid.
- the second fluid may be expelled through inductors 200 disposed in at least some of the holes 506 of arm distributor 500.
- the first liquid fluid present in vessel 106 may be drawn into a low pressure area (e.g., induction zone 508) created by inductor 200 thereby mixing the first and second liquids and expelling the mixed fluids into extraction zone 104 by way of second induction cone 212.
- the mixed first and second liquids may contact fiber bundle 108 which may promote contact between the mixed first and second liquids such that mass transfer, chemical reactions, or both may occur.
- FIG. 6a illustrates, in schematic form, an embodiment of fiber-bundle type liquid- liquid mass transfer device 100 wherein a perforated plate assembly 602 comprising a plurality of chimneys 604 is disposed within mixing zone 102.
- Chimneys 603 may be characterized by a riser pipe extending upwards from a perforated plate.
- the riser pipe may extend through the perforated plate and into extraction zone 104.
- Perforated plate assembly 602 may allow a first liquid layer 606 and a second liquid layer 608 to be in contact before flowing into extraction zone 104 comprising fiber bundle 108.
- First inlet 110 and second inlet 112 may allow a first liquid and a second liquid respectively into vessel 106 whereby the first and second liquid may flow through vessel 106 to perforated plate assembly 602 to form first liquid layer 606 and second liquid layer 608.
- the first liquid may be the relatively lighter or less dense of the two liquids such that the first liquid forms first liquid layer 606 that floats on top of the second liquid forming second liquid layer 608.
- first liquid layer may overflow chimneys 604 into extraction zone 104 while second liquid layer 608 may flow through perforations (not illustrated) into extraction zone 104.
- inlet 112 may comprise an inductor 200 as illustrated in FIG. 3.
- Fiber bundle 108 may be affixed to a fiber support 650 below chimneys 604.
- Fiber support 650 may be spaced apart from perforated plate assembly 602 and may comprise any fiber support means such as metal rods, plates, or other mechanical mechanisms.
- FIG. 6b illustrates a top view of an embodiment of perforated plate assembly 602.
- Perforated plate assembly 602 may comprise a plate 603, plurality of chimneys 604 as described above as well, and a plurality of holes 610.
- chimneys 604 may extend from plate 603, for example, axially way from plate 603, as shown on FIG. 6b.
- plurality of holes 610 may be formed in plate 603.
- Plurality of holes 610 may allow a second liquid layer 608 (illustrated in FIG. 6a) to flow into extraction zone 108.
- Any number and combination of holes and downpipes may be disposed on perforated plate assembly 602.
- plate assembly 602 may comprise at least one hole 610 and at least one downpipe 604.
- the number of holes 610 and downpipe 604 may vary depending on many factors, including, but not limited to, required flow rates, size of holes, ratios of first liquid flow rate to second liquid flowrate, and other factors readily apparent to those of ordinary skill in the art.
- the number of holes and downpipes may vary from 1 to about 100 depending on the requirements above. Alternatively, the number of holes and downpipes may vary from 1 to about 25, 1 to about 50, 1 to about 75, or 1 to about 100.
- the arrangement of the holes may follow a pattern or be random.
- holes 610 and chimneys 604 may form rows concentric circles whereby a first ring of holes 610 or chimneys 604 is followed by a second ring of holes 610 or chimneys 604, and so on.
- holes 610 and chimneys 604 may be arranged in a grid pattern, for example. In some embodiments, holes 610 and chimneys 604 may not have a pattern and may be arranged randomly on plate assembly 602.
- FIG. 6c illustrates a side view of an embodiment of a portion of perforated plate assembly 602.
- perforated plate assembly 602 comprises holes 610 and downpipe 604.
- Downpipe 604 may optionally comprise hat 614 disposed on top of downpipe 604.
- Hat 614 may comprise top 616 and openings 612 on the size of hat 614, such that a fluid communication may be established from outside of hat 614 to the inside of downpipe 604.
- Hat 614 may comprise any number of openings 612.
- the particular number of openings in an embodiment of hat 614 may depend on many factors, including, but not limited to, required flow rate of fluid through openings 612. In some embodiments, hat 614 may comprise between 1 and about 10 openings.
- Hat 614 may be coupled to downpipe 604 by any suitable means for example, by, threading, welding, fasteners, push fittings, and others readily apparent to those of ordinary skill in the art.
- perforated plate assembly 602 may comprise openings 618 over which downpipe 604 may be positioned.
- downpipe 604 is positioned on top of perforated plate assembly 602.
- downpipe 604 may extend through perforated plate assembly 602.
- Downpipe 604 may be coupled to perforated plate assembly by any fastening means, such as, for example, threading, welds, fasteners, push fittings, and other means readily apparent to those of ordinary skill in the art.
- hat 614 may prevent the first fluid layer (not illustrated) from flooding through downpipe 604.
- first liquid may flow through openings 612 and into mixing zone 108 as illustrated in FIG. 6a.
- FIG. 7 illustrates, in schematic form, an embodiment of fiber-bundle type liquid- liquid mass transfer device 100 wherein a perforated plate assembly 602 comprising a plurality of chimneys 604 is disposed within mixing zone 102 and wherein the mixing zone further comprises a distributor 700.
- distributor 700 is disposed within second liquid layer 608, previously described above.
- Distributor 700 may be fluidically coupled to second inlet 112 and provide a flow path for second liquid entering inlet 112 to flow into mixing zone 102.
- Distributor 700 may be any of the previously described distributors, including spiral distributor 400 illustrated in FIG. 4 or arm distributor 500 illustrated in FIG. 5.
- distributor 700 may further comprise inductor 200 as illustrated in FIG. 2 and previously described as an embodiment of spiral distributor 400 and arm distributor 500.
- Perforated plate assembly 602 may allow a first liquid layer 606 and a second liquid layer 608 to be in contact before flowing into extraction zone 104 comprising fiber bundle 108.
- First inlet 110 and may allow first liquid to flow into vessel 106 and form first liquid layer 606.
- Second inlet 112 may be fluidically coupled to distributor 700 which may allow second liquid to form second liquid layer 608 within mixing zone 102.
- the first liquid may be the relatively lighter or less dense of the two liquids such that the first liquid forms first liquid layer 606 that floats on top of the second liquid forming second liquid layer 608.
- First liquid layer may overflow chimneys 604 into extraction zone 104 while second liquid layer 608 may flow through perforations (not illustrated) into extraction zone 104.
- first liquid layer 606 and a second liquid layer 608 illustrates first liquid layer 606 and a second liquid layer 608 as two distinct layers for illustrative purposes. However, due to splashing and other movement of fluids associated with transport of the first and second fluid into vessel 106, two distinct layers of fluid may not be formed. In some embodiments, a mixture of the first liquid and the second liquid may be present. In either example, the first and second liquids may flow into extraction zone 104 and contact fiber bundle 108. Fiber bundle 108 may promote contact between the first and second liquids such that mass transfer, chemical reactions, or both may occur.
- FIG. 8 illustrates, in schematic form, an embodiment of fiber-bundle type liquid- liquid mass transfer device 100 wherein a perforated plate assembly 602 comprising a plurality of chimneys 604 is disposed within mixing zone 102 and wherein the mixing zone further comprises a distributor 700 disposed above first liquid 606 and second liquid 608.
- Distributor 700 may be fluidically coupled to second inlet 112 and provide a flow path for second liquid entering inlet 112 to flow into mixing zone 102.
- Distributor 700 may be any of the previously described distributors, including spiral distributor 400 illustrated in FIG. 4 or arm distributor 500 illustrated in FIG. 5.
- distributor 700 may further comprise inductor 200 as illustrated in FIG. 2 and previously described as an embodiment of spiral distributor 400 and arm distributor 500.
- Perforated plate assembly 602 may allow a first liquid layer 606 and a second liquid layer 608 to be in contact before flowing into extraction zone 104 comprising fiber bundle 108.
- First inlet 110 and may allow first liquid to flow into vessel 106 and form first liquid layer 606.
- Second inlet 112 may be fluidically coupled to distributor 700 which may allow second liquid to form second liquid layer 608 within mixing zone 102.
- the first liquid may be the relatively lighter or less dense of the two liquids such that the first liquid forms first liquid layer 606 that floats on top of the second liquid forming second liquid layer 608.
- First liquid layer may overflow chimneys 604 into extraction zone 104 while second liquid layer 608 may flow through perforations (not illustrated) into extraction zone 104.
- first liquid layer 606 and a second liquid layer 608 illustrates first liquid layer 606 and a second liquid layer 608 as two distinct layers for illustrative purposes. However, due to splashing and other movement of fluids associated with transport of the first and second fluid into vessel 106, two distinct layers of fluid may not be formed. In some embodiments, a mixture of the first liquid and the second liquid may be present. In either example, the first and second liquids may flow into extraction zone 104 and contact fiber bundle 108. Fiber bundle 108 may promote contact between the first and second liquids such that mass transfer, chemical reactions, or both may occur.
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- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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US16/203,967 US10456711B1 (en) | 2018-11-29 | 2018-11-29 | Liquid-liquid mass transfer process and apparatus |
PCT/US2019/052584 WO2020112222A2 (en) | 2018-11-29 | 2019-09-24 | Liquid-liquid mass transfer process and apparatus |
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WO2023144029A2 (en) * | 2022-01-26 | 2023-08-03 | Casale Sa | Mixing system |
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WO2020112222A2 (en) | 2020-06-04 |
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MX2021002678A (es) | 2021-04-12 |
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